Portion of a vehicle exterior



FIG. 1 is a perspective view of a portion of a vehicle exterior showing our new design;

FIG. 2 is a side elevational view thereof, the opposite side being a mirror image;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof; and,

FIG. 5 is a top plan view thereof.

The broken line showing of the remainder of the vehicle including the wheels and tires is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a portion of a vehicle exterior, as shown and described. 